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Finding the Fourth Proportional to 565,333.20, 847,999.80 and 561,396.60

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Solution

The fourth proportional to 565,333.20, 847,999.80 and 561,396.60 is: 842,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,333.20 : 847,999.80 = 561,396.60 : x
  2. Step 2: Convert to fraction form
    565,333.20/847,999.80 = 561,396.60/x
  3. Step 3: Cross multiply
    565,333.20x = 847,999.80 × 561,396.60
  4. Step 4: Simplify right side
    565,333.20x = 476,064,204,520.68
  5. Step 5: Solve for x
    x = 476,064,204,520.68/565,333.20
  6. Step 6: Final answer
    x = 842,094.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.